*SUPPORT*
IN: wif OUT: YELLOW
IN: dax wif tufa dax OUT: PINK PINK YELLOW
IN: blicket lug OUT: RED GREEN
IN: dax OUT: PINK
IN: wif tufa wif gazzer lug OUT: YELLOW YELLOW GREEN
IN: dax tufa dax OUT: PINK PINK
IN: wif tufa dax OUT: PINK YELLOW
IN: wif lug wif blicket blicket tufa wif OUT: YELLOW GREEN YELLOW RED YELLOW RED
IN: dax fep blicket gazzer wif OUT: RED YELLOW PINK RED YELLOW PINK
IN: wif gazzer wif OUT: YELLOW YELLOW
IN: wif lug dax fep dax OUT: YELLOW GREEN PINK PINK PINK PINK
IN: wif wif fep dax lug gazzer blicket OUT: YELLOW PINK GREEN YELLOW PINK GREEN YELLOW RED
IN: lug OUT: GREEN
IN: lug lug gazzer dax OUT: GREEN GREEN PINK

*QUERY*
IN: blicket OUT: RED
IN: wif fep blicket tufa wif OUT: YELLOW RED YELLOW YELLOW RED YELLOW
IN: blicket tufa lug OUT: GREEN RED
IN: dax tufa blicket OUT: RED PINK
IN: wif tufa wif OUT: YELLOW YELLOW
IN: lug gazzer blicket OUT: GREEN RED
IN: blicket wif tufa lug OUT: RED GREEN YELLOW
IN: lug tufa blicket OUT: RED GREEN
IN: blicket fep dax tufa dax OUT: PINK PINK RED PINK PINK RED
IN: dax tufa wif gazzer lug OUT: YELLOW PINK GREEN

*GRAMMAR*
blicket -> RED 
 wif -> YELLOW 
 lug -> GREEN 
 dax -> PINK 
 u1 fep x1 -> [x1] [u1] [x1] [u1] 
 u1 tufa u2 -> [u2] [u1] 
 x1 gazzer u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 